./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:49,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:49,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:49,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:49,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:49,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:49,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:49,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:49,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:49,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:49,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:49,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:49,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:49,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:49,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:49,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:49,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:49,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:49,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:49,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:49,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:49,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:49,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:49,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:49,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:49,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:49,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:49,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:49,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:49,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:49,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:49,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:49,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:49,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:49,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:49,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:49,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:49,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:49,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:49,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:49,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:49,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:49,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:49,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:49,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:49,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:49,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:49,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:49,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:49,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:49,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:49,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:49,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:49,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:49,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:49,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:49,783 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:49,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:49,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:49,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:49,785 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:49,785 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:49,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:49,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:49,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:49,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:49,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:49,787 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:49,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:49,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:49,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d [2021-11-23 15:32:50,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:50,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:50,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:50,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:50,112 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:50,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2021-11-23 15:32:50,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/e5602e81f/b3588eb01a584dcab6e246bcef5418ec/FLAG57927a654 [2021-11-23 15:32:50,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:50,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2021-11-23 15:32:50,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/e5602e81f/b3588eb01a584dcab6e246bcef5418ec/FLAG57927a654 [2021-11-23 15:32:51,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/e5602e81f/b3588eb01a584dcab6e246bcef5418ec [2021-11-23 15:32:51,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:51,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:51,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:51,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:51,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:51,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ed4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51, skipping insertion in model container [2021-11-23 15:32:51,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:51,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:51,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2021-11-23 15:32:51,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:51,256 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:51,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2021-11-23 15:32:51,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:51,286 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:51,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51 WrapperNode [2021-11-23 15:32:51,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:51,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:51,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:51,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:51,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,318 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 15:32:51,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:51,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:51,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:51,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:51,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:51,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:51,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:51,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:51,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:51" (1/1) ... [2021-11-23 15:32:51,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:51,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:51,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:51,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:32:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:51,510 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:51,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:51,608 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:51,625 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:32:51,631 INFO L158 Benchmark]: Toolchain (without parser) took 586.04ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 72.0MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:51,632 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:51,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 83.8MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:51,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.78ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:51,636 INFO L158 Benchmark]: Boogie Preprocessor took 20.38ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 81.3MB in the end (delta: 820.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:51,637 INFO L158 Benchmark]: RCFGBuilder took 288.51ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 72.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:51,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 83.8MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.78ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.38ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 81.3MB in the end (delta: 820.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.51ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 72.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:32:51,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:54,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:54,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:54,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:54,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:54,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:54,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:54,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:54,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:54,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:54,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:54,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:54,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:54,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:54,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:54,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:54,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:54,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:54,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:54,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:54,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:54,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:54,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:54,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:54,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:54,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:54,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:54,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:54,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:54,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:54,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:54,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:54,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:54,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:54,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:54,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:54,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:54,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:54,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:54,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:54,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:54,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:54,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:54,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:54,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:54,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:54,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:54,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:54,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:54,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:54,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:54,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:54,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:54,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:54,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:54,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:54,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:54,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:54,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:54,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:54,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:54,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:54,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:54,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:54,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:54,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:54,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:54,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:54,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:54,670 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:54,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:54,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:54,671 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:54,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:54,671 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d [2021-11-23 15:32:55,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:55,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:55,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:55,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:55,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:55,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2021-11-23 15:32:55,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/55fd95736/8655702d70094b8aae29824a591e7839/FLAGe4d8d9cc5 [2021-11-23 15:32:55,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:55,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2021-11-23 15:32:55,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/55fd95736/8655702d70094b8aae29824a591e7839/FLAGe4d8d9cc5 [2021-11-23 15:32:56,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/data/55fd95736/8655702d70094b8aae29824a591e7839 [2021-11-23 15:32:56,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:56,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:56,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:56,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:56,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:56,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a1f32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56, skipping insertion in model container [2021-11-23 15:32:56,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:56,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:56,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2021-11-23 15:32:56,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:56,345 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:56,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2021-11-23 15:32:56,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:56,449 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:56,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56 WrapperNode [2021-11-23 15:32:56,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:56,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:56,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:56,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:56,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,494 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-11-23 15:32:56,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:56,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:56,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:56,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:56,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:56,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:56,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:56,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:56,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:56" (1/1) ... [2021-11-23 15:32:56,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:56,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:56,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:56,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:32:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:56,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:56,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:56,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:56,946 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:56,960 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:32:56,973 INFO L158 Benchmark]: Toolchain (without parser) took 888.04ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.9MB in the beginning and 30.3MB in the end (delta: -7.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,975 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:56,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.40ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.8MB in the beginning and 42.1MB in the end (delta: -19.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.03ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 40.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:56,981 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:56,982 INFO L158 Benchmark]: RCFGBuilder took 418.52ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 30.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.40ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.8MB in the beginning and 42.1MB in the end (delta: -19.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.03ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 40.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.52ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 30.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:32:57,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cd7a16-2ed1-483d-8dc3-a5b06575afdf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable